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ONE-STOP EXCAVATOR & DIESEL ENGINE PARTS SOLUTION EXPERT | GUANGZHOU, CHINA
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OEM Replacement Parts

D4DD Overhaul Repair Set Cylinder Liner Kit Piston Set Gasket Kit Bearing Valve For Hyundai Engine

MOQ: 1pcs Price: Negotiable
Part No.
8-98023-526 / 15-30
Engine Model
D4DD
Application
Forklift, Excavator, Truck, Loader, Bulldozer, Bus
Warranty
6 Months
Place of Origin
Guangdong, China
Size
OEM Size
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Product Details

D4dd Overhaul Repair Set Cylinder Liner Kit Piston Set Gasket Kit Bearing Valve For Hyundai Engine Spare Parts

Product Overview

This comprehensive D4DD Overhaul Repair Set is a complete engine rebuild solution specifically designed for the Hyundai D4DD diesel engine. The kit includes all critical internal engine components: cylinder liners, pistons, piston rings, gaskets, bearings, and valves, providing everything needed for a full engine overhaul.

Manufactured by to OEM specifications, this overhaul set ensures precise fitment and reliable performance for Hyundai engines commonly found in excavators, forklifts, trucks, loaders, bulldozers, and buses. The components are precision-engineered to restore engine compression, oil control, and overall operational efficiency.

This repair set is ideal for workshop rebuilds and fleet maintenance programs, offering a cost-effective alternative to purchasing individual components while maintaining quality standards. Each component is manufactured to meet or exceed original equipment specifications, ensuring long service life and dependable operation.

Key Features & Benefits

  • Complete Overhaul Solution – Contains all essential components (liners, pistons, rings, gaskets, bearings, valves) in one convenient set, eliminating the need for multiple purchases and ensuring compatibility.
  • OEM Specification Manufacturing – Produced to match original Hyundai D4DD engine dimensions and tolerances, guaranteeing proper fitment and reliable performance without modification.
  • Durable Materials – Cylinder liners made from high-strength cast iron with wear-resistant surfaces; pistons manufactured from premium aluminum alloy for optimal heat dissipation and durability.
  • Comprehensive Gasket Kit – Includes all necessary gaskets and seals for a complete engine reseal, preventing oil and coolant leaks after rebuild.
  • Precision Bearings – Main and connecting rod bearings manufactured to exact clearance specifications, ensuring proper oil film maintenance and extended crankshaft life.
  • Quality Valves – Intake and exhaust valves with hardened seats for improved wear resistance and consistent compression sealing.
  • Cost-Effective Solution – Significant savings compared to purchasing individual components separately, with guaranteed part compatibility within the set.

Technical Specifications

Specification Details
Part Type Overhaul Repair Set
Engine Model D4DD
Engine Type Diesel
Application Forklift, Excavator, Truck, Loader, Bulldozer, Bus
Size OEM Size
Weight 30 kg
Place of Origin Guangdong, China
Packing Plastic bag, Box, Carton
Warranty 6 Months
Video Outgoing Inspection Provided
Machinery Test Report Provided

OEM Cross-Reference

This D4DD Overhaul Repair Set is designed to replace or correspond to the following OEM part numbers and configurations for Hyundai engines:

  • Hyundai D4DD Engine Overhaul Kit – Complete rebuild set
  • Main Bearing Set – Standard OEM size
  • Connecting Rod Bearing Set – Standard OEM size
  • Piston & Ring Set – Standard bore size
  • Cylinder Liner Set – Standard dry liner type
  • Valve Set – Complete intake/exhaust set
  • Full Gasket Set – Upper and lower gasket kit

Note: For specific OEM number cross-references (e.g., 8-98023-526-0), please contact our technical support team with your engine serial number for precise matching.

Compatibility

This overhaul repair set is specifically engineered for the Hyundai D4DD diesel engine. It is commonly used for the following equipment applications:

  • Excavators – Various Hyundai excavator models
  • Forklifts – Heavy-duty industrial forklifts
  • Trucks – Medium-duty commercial trucks
  • Loaders – Wheel loaders and skid steer loaders
  • Bulldozers – Crawler dozers and earthmoving equipment
  • Buses – Passenger transport vehicles

Important: Fitment is inferred based on standard D4DD engine applications. Always verify your engine model, serial number, and existing component specifications before ordering. We recommend consulting your equipment manufacturer’s parts catalog for exact compatibility.

Global Supply & Distribution

We maintain extensive inventory of D4DD overhaul sets and ship worldwide to meet the demands of international B2B buyers. Our global distribution network ensures timely delivery to major ports and industrial centers across:

  • North America – Los Angeles, Houston, Chicago, Toronto, Vancouver
  • Europe – Rotterdam, Hamburg, Antwerp, London, Paris
  • Asia-Pacific – Singapore, Shanghai, Tokyo, Sydney, Dubai
  • Middle East & Africa – Jebel Ali, Dammam, Johannesburg, Lagos
  • Latin America – Panama, Santos, Buenos Aires, Mexico City

We offer flexible shipping options including air freight, sea freight, and express courier services. Our export team handles all necessary documentation, including commercial invoices, packing lists, and certificates of origin. We comply with international trade regulations and can accommodate special shipping requirements for large fleet orders.

Quality Assurance

Every D4DD Overhaul Repair Set undergoes rigorous quality control procedures to ensure reliability and performance:

  • Manufacturing Standards – Components are produced in ISO 9001 certified facilities using precision machining processes
  • Material Testing – Raw materials are tested for hardness, tensile strength, and metallurgical composition
  • Dimensional Inspection – All parts are checked against OEM specifications using calibrated measurement equipment
  • Video Outgoing Inspection – We provide video documentation of final inspection for quality verification
  • Machinery Test Report – Comprehensive test reports are available upon request
  • Warranty – 6-month warranty against manufacturing defects, with prompt replacement or refund for any quality issues

FAQ

Q1: How do I verify that this D4DD overhaul set fits my specific engine?
A: To confirm compatibility, please check your engine’s identification plate for the exact model (D4DD) and serial number. Measure the cylinder bore diameter and compare with OEM specifications. If possible, provide photos of your current components or the engine tag, and our technical team can cross-reference with our database. We recommend always comparing the physical dimensions of removed parts with the new components before installation.

Q2: What is the recommended installation procedure for this overhaul set?
A: Installation should be performed by a qualified diesel engine technician following the manufacturer’s service manual. Key steps include: cleaning the engine block thoroughly, checking cylinder liner protrusion heights, installing pistons with proper ring gap orientation, torquing connecting rod and main bearing caps to specified values, and using new gaskets with appropriate sealant. After assembly, perform a cold start procedure and check for proper oil pressure and coolant circulation. Break-in period requires reduced load operation for the first 50 hours.

Q3: How should I store this overhaul set if not installing immediately?
A: Store the complete set in its original packaging in a clean, dry environment with stable temperature (15-30°C). Keep components away from moisture, dust, and direct sunlight. Do not open sealed plastic bags until ready for installation to prevent contamination. For long-term storage (over 6 months), apply light rust-preventive oil to exposed metal surfaces such as cylinder liners and bearing shells. Rotate the piston rings periodically to prevent sticking. Always inspect components for corrosion or damage before installation.

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